How to add bubble water to gatling bubble machine?

After the water container of the bubble gun is filled with water, add some washing powder to someone. Don't add too much washing powder, just make it bigger than the container and put a little into it.

Gatling machine gun is a kind of manual multi-barrel rotating machine gun, which was designed by American Richard jordan Gatling in 1860.

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Its name is translated into green, so this gun is also translated into green machine gun or Gat machine gun/machine gun, which is the first machine gun used on a large scale in the world.

Around 1874 (13th year of Tongzhi in Qing Dynasty), Gatling machine guns were imported into China, which were called "green guns" or "green fast guns" at that time. After 1950s, the gatling Principle was first improved by the United States and applied to firearms, small caliber air guns and anti-aircraft guns. With this machine gun, the firing rate can generally reach more than 1000 rounds per minute.

In the summer of 186 1, Richard jordan Gatling began to design the Gatling machine gun, and designed the continuous firing of each bullet, including the statement of the design characteristics of the two-point Gatling machine gun research institute: a cylindrical rotating body with a firing needle in it, which provides a lock chamber and rotates with the barrel; Each barrel has an independent needle. This makes it impossible to patent all future designs similar to Gatling machine guns.